Update of MRST partons
A. D. Martin (Durham), R. G. Roberts (Rutherford Appleton Laboratory),, W. J. Stirling (Durham), R. S. Thorne (Jesus College Oxford)
TL;DR
This paper updates the MRST parton distributions, introduces new sets to estimate uncertainties in W and Z production cross sections at Tevatron and LHC, and compares results with CTEQ5 partons.
Contribution
It provides new MRST parton sets for uncertainty estimation and compares them with existing CTEQ5 distributions.
Findings
New MRST parton sets for uncertainty analysis
Comparison shows differences with CTEQ5 distributions
Implications for W and Z production predictions
Abstract
We discuss topical issues concerning the MRST parton analysis. We introduce some new parton sets in order to estimate the uncertainty in the cross sections predicted for W and Z production at the Tevatron and the LHC. We compare with CTEQ5 partons.
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